Home / 1,210,231.40-1,815,347.10-832,317.80

Finding the Fourth Proportional to 1,210,231.40, 1,815,347.10 and 832,317.80

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Solution

The fourth proportional to 1,210,231.40, 1,815,347.10 and 832,317.80 is: 1,248,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,231.40 : 1,815,347.10 = 832,317.80 : x
  2. Step 2: Convert to fraction form
    1,210,231.40/1,815,347.10 = 832,317.80/x
  3. Step 3: Cross multiply
    1,210,231.40x = 1,815,347.10 × 832,317.80
  4. Step 4: Simplify right side
    1,210,231.40x = 1,510,945,704,508.38
  5. Step 5: Solve for x
    x = 1,510,945,704,508.38/1,210,231.40
  6. Step 6: Final answer
    x = 1,248,476.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.